9368961387 has 4 divisors (see below), whose sum is σ = 12491948520. Its totient is φ = 6245974256.

The previous prime is 9368961379. The next prime is 9368961397. The reversal of 9368961387 is 7831698639.

9368961387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9368961387 - 2³ = 9368961379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9368961387.

It is not an unprimeable number, because it can be changed into a prime (9368961317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1561493562 + ... + 1561493567.

It is an arithmetic number, because the mean of its divisors is an integer number (3122987130).

Almost surely, 2^9368961387 is an apocalyptic number.

9368961387 is a deficient number, since it is larger than the sum of its proper divisors (3122987133).

9368961387 is a wasteful number, since it uses less digits than its factorization.

9368961387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122987132.

The product of its digits is 11757312, while the sum is 60.

The square root of 9368961387 is about 96793.3953686924. The cubic root of 9368961387 is about 2108.1288403759.

The spelling of 9368961387 in words is "nine billion, three hundred sixty-eight million, nine hundred sixty-one thousand, three hundred eighty-seven".